Finding the Fourth Proportional to 783,520.12, 1,175,247.36 and 251,029.36
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Solution
The fourth proportional to 783,520.12, 1,175,247.36 and 251,029.36 is: 376,533.52
Step by Step Solution
- Step 1: Write the proportion equation
783,520.12 : 1,175,247.36 = 251,029.36 : x - Step 2: Convert to fraction form
783,520.12/1,175,247.36 = 251,029.36/x - Step 3: Cross multiply
783,520.12x = 1,175,247.36 × 251,029.36 - Step 4: Simplify right side
783,520.12x = 295,021,592,622.49 - Step 5: Solve for x
x = 295,021,592,622.49/783,520.12 - Step 6: Final answer
x = 376,533.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.